Supermäck
type: MusicGroup
genre: finnish hip hop
popularity: 3
followers: 24
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa5215d30d59b58d76232c478373d237f02333215afd4f0cfd1fdd1cea195da39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953860
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953860
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/032c0329-787c-4585-b7af-ef7782aaf2a6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/032c0329-787c-4585-b7af-ef7782aaf2a6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/032c0329-787c-4585-b7af-ef7782aaf2a6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:55:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa5215d30d59b58d76232c478373d237f02333215afd4f0cfd1fdd1cea195da39","name":"Supermäck","registered_at":"2026-06-15T14:46:01Z","symbol":"NIM0741179","token_address":"0xf58e293a1624717d7871b328e31af6324a807d38","type":"artist","uuid":"032c0329-787c-4585-b7af-ef7782aaf2a6"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5215d30d59b58d76232c478373d237f02333215afd4f0cfd1fdd1cea195da39. Chain 2 (Bitcoin): anchored in block 953860 (2026-06-15T23:55:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/032c0329-787c-4585-b7af-ef7782aaf2a6.json and https://artists.proofprofile.net/proofs/artist/032c0329-787c-4585-b7af-ef7782aaf2a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T23:55:46Z
  text: {"copyright_id":"0xa5215d30d59b58d76232c478373d237f02333215afd4f0cfd1fdd1cea195da39","name":"Supermäck","registered_at":"2026-06-15T14:46:01Z","symbol":"NIM0741179","token_address":"0xf58e293a1624717d7871b328e31af6324a807d38","type":"artist","uuid":"032c0329-787c-4585-b7af-ef7782aaf2a6"}